Baileigh Welding Jig Table WJT-7839-HDMade from 250 cast iron, the WJT 7839 HD Welding Jig Table from Baileigh Industrial is made to withstand the rigors of any shop. All of Baileigh Industrials Welding Tables are made to exact tolerances and maintain a flatness of + . 0025" as well as a hardness rating of 140 to 160 Brinell. The WJT 7839 HD Welding Jig Table has a table size of 78" x 39" and has a total of 5 mourning surfaces that use industry standard 28 mm holes that are spaced at 100